171937660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 388057824

約数和(自身を除く): 216120164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 197, 289, 302, 340, 394, 578, 604, 755, 788, 985, 1156, 1445, 1510, 1970, 2567, 2890, 3020, 3349, 3940, 5134, 5780, 6698, 10268, 12835, 13396, 16745, 25670, 29747, 33490, 43639, 51340, 56933, 59494, 66980, 87278, 113866, 118988, 148735, 174556, 218195, 227732, 284665, 297470, 436390, 505699, 569330, 594940, 872780, 1011398, 1138660, 2022796, 2528495, 5056990, 8596883, 10113980, 17193766, 34387532, 42984415, 85968830, 171937660]

約数ペア:

[(1, 171937660), (2, 85968830), (4, 42984415), (5, 34387532), (10, 17193766), (17, 10113980), (20, 8596883), (34, 5056990), (68, 2528495), (85, 2022796), (151, 1138660), (170, 1011398), (197, 872780), (289, 594940), (302, 569330), (340, 505699), (394, 436390), (578, 297470), (604, 284665), (755, 227732), (788, 218195), (985, 174556), (1156, 148735), (1445, 118988), (1510, 113866), (1970, 87278), (2567, 66980), (2890, 59494), (3020, 56933), (3349, 51340), (3940, 43639), (5134, 33490), (5780, 29747), (6698, 25670), (10268, 16745), (12835, 13396)]